Home / 13,334.40-20,001.60-4,569.60

Finding the Fourth Proportional to 13,334.40, 20,001.60 and 4,569.60

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Solution

The fourth proportional to 13,334.40, 20,001.60 and 4,569.60 is: 6,854.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.40 : 20,001.60 = 4,569.60 : x
  2. Step 2: Convert to fraction form
    13,334.40/20,001.60 = 4,569.60/x
  3. Step 3: Cross multiply
    13,334.40x = 20,001.60 × 4,569.60
  4. Step 4: Simplify right side
    13,334.40x = 91,399,311.36
  5. Step 5: Solve for x
    x = 91,399,311.36/13,334.40
  6. Step 6: Final answer
    x = 6,854.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.